Ditylum brightwellii a marine diatom

[Gyrosigma]

Hello,
A marine diatom, Ditylum brightwellii I found in the "chanel" at Le Havre.

a side view


and a valve view

best regards

Dominique

[BJ]

Dominique ,

Excellent photos. It is not often that you see a valve view of Ditylum - the spine so often causes the valve to turn on its side. Many people are surprised to see it is triangular.

Thank you.

BrianO